Here’s a quick way of adding a boost to any image, easily controlling this by using the power of both Curves and Blend Modes.
Play with the curves for varying effects, pulling up, down or creating shapes.
Group the three curves and add a Luminosity blend mode to the group in order to preserve colour.
For related videos, see here: http://changingminds.org/disciplines/photography/affinity_photo/youtube_videos/810_60s_three_curve_booster.htm#see
There are now online pages for InAffinity here: https://changingminds.org/disciplines/photography/affinity_photo/affinity_photo.htm
Free resources, including macros, palettes, etc. are here:
If you are a beginner, start here:
There is a full, cross-referenced index for every video here: https://changingminds.org/disciplines/photography/affinity_photo/inaffinity_video_index.htm
To find videos by date of publication, start here: https://changingminds.org/disciplines/photography/affinity_photo/ap_time-sorted.htm
To find videos by subject, start here: https://changingminds.org/disciplines/photography/affinity_photo/categories/ap_categories_alphabetic.htm
:The web page for this video is here: http://changingminds.org/disciplines/photography/affinity_photo/youtube_videos/810_60s_three_curve_booster.htm